Originally Posted by Yorkie

The drugs are a phase that most dabblers grow out of when they realize just how much money they're throwing away.Or they get tired of avoiding police attention.
If he's seriously addicted then he'll value his drugs more than he values your friendship (as you've indicated) and you shouldn't have any regrets about such a friendship ending.He doesen't answer his phone when you call so you've done what you can.His loss.